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IBM C9050-548 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| IMS Database Design and Implementation | 30% | - Database design principles - Database modification and reorganization - Database definition and creation - Segment structure and definition - Indexing strategies and usage |
| IMS Fundamentals | 25% | - IMS system utilities and tools - Transaction management overview - IMS architecture and components - IMS database concepts and structures - Data organization and access methods |
| Backup, Recovery and Disaster Recovery | 20% | - Database recovery and restart - Disaster recovery planning - Backup strategies and procedures - Data integrity and consistency |
| IMS Database Administration | 25% | - Routine maintenance procedures - Security and access control - Availability and performance monitoring - Tuning and optimization techniques |
IBM Certified Database Administrator - IBM IMS Sample Questions:
Question 1
Which of the following options does NOT describe a benefit of DB2's Row Compression?
A. Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).
B. Compression allows you to reduce CPU workload because there is less data to process.
C. Compression allows you to cache more data in the buffer pools using the same amount of space.
D. Compression allows you to store the same amount of data in less space, which can significantly save
storage costs.
Question 2
How is DB2 installed on the server?
A. DB2 can be installed using the DB2 installation wizard.
B. DB2 can only be installed from a command prompt using command-line entries.
C. DB2 must be installed on RAM drive on the server to speed up performance of the database.
D. DB2 can only be purchased pre-installed on an IBM server. There is no need to ever installDB2.
Question 3
What is a DB2 transaction?
A. A DB2 transaction is a set of rules that can be imposed on data values in a table.
B. A DB2 transaction is an action that is performed by the database to ensure that tables that are
replicated are kept synchronized.
C. A DB2 transaction is the interface that is developed between tables, relating one table to the other.
D. A DB2 transaction is a sequence of one or more statements that must complete in its entirety or not at
all. It is also referred to as a unit of work.
Question 4
Which of the following options best describes the differences between Label Based Access Control
(LBAC) and Row and Column Access Control (RCAC)?
A. LBAC allows you to protect access only to rows, while RCAC allows you to protect both rows and
columns.
B. RCAC is a fixed label security model designed for the US government while LBAC is a general purpose
security model best suited for commercial customers.
C. RCAC returns the data based on what is being asked (data centric), while LBAC returns data based on
who is asking what (user centric). Users with DATAACCESS authority are exempt from the Row and
Column Access Control rules.
D. With RCAC users do not get an error when accessing protected data, while with LBAC users can get
an error if they don't have the necessary credentials to access a LBAC protected column.
Question 5
Which one of the following options is CORRECT about DB2 pureScale feature?
A. DB2 pureScale persists data in the cluster caching facilities (CFs).
B. DB2 pureScale reduces the risk and cost associated with growing your distributed database solution by
providing extreme capacity and application transparency.
C. DB2 pureScale uses the same concept of HADR where the data is replicated from a primary database
to a standby database.
D. DB2 pureScale is only available for DB2 Express-C and DB2 Advanced Enterprise Edition.
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: D | Question 4 Answer: D | Question 5 Answer: B |
